Try Our Apps


Supposedly vs. Supposably


[nahy-truh-glis-er-in] /ˌnaɪ trəˈglɪs ər ɪn/
noun, Chemistry, Pharmacology
a colorless, thick, oily, flammable, highly explosive, slightly water-soluble liquid, C 3 H 5 N 3 O 9 , prepared from glycerol with nitric and sulfuric acids: used chiefly as a constituent of dynamite and other explosives, in rocket propellants, and in medicine as a vasodilator in the treatment of angina pectoris.
Also, nitroglycerine
[nahy-truh-glis-er-in, -uh-reen] /ˌnaɪ trəˈglɪs ər ɪn, -əˌrin/ (Show IPA)
Also called glonoin, glyceryl trinitrate, trinitroglycerin.
Origin of nitroglycerin
1855-60; nitro- + glycerin Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the Web for nitroglycerin
Contemporary Examples
Historical Examples
  • At ninety-five he knew the nitroglycerin would take fire, probably explode, and nothing could save it.

    Careers of Danger and Daring Cleveland Moffett
  • Maybe—but so is picric acid; so is nitroglycerin; and so is pure gold.

    Skylark Three Edward Elmer Smith
  • Triturate the spirit of nitroglycerin with the red fat sugar and permit the alcohol to evaporate.

    Candy Medication Bernard Fantus
  • There was also a five-pound bottle of nitroglycerin standing on the bench.

    Dynamite Stories Hudson Maxim
  • The use of nitroglycerin is based on the theory that seizures are caused by anmia due to vasomotor constriction.

  • There is just as much acid after the glycerin is turned into nitroglycerin as there was before.

  • Nobel's invention, "cordite," is composed of nitroglycerin and nitrocellulose with a little mineral jelly or vaseline.

    Creative Chemistry Edwin E. Slosson
  • He went to his satchel again and took out a bottle of white tablets marked "nitroglycerin."

    The Unknown Quantity Henry van Dyke
  • The nitroglycerin in exploding decomposes into steam, carbonic acid, nitrogen, and oxygen.

nitroglycerin in Medicine

nitroglycerin ni·tro·glyc·er·in or ni·tro·glyc·er·ine (nī'trō-glĭs'ər-ĭn, -trə-)
A thick, pale yellow liquid that is explosive on concussion or exposure to sudden heat, used as a vasodilator in medicine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
nitroglycerin in Science
A thick, pale-yellow, explosive liquid formed by treating glycerin with nitric and sulfuric acids. It is used to make dynamite and in medicine to dilate blood vessels. Chemical formula: C3H5N3O9.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for nitroglycerin

Few English speakers likely know this word

Word Value for nitroglycerin

Scrabble Words With Friends